What is Web Application Firewall

Last Updated: Jan 15, 2018

Web Application Firewall (WAF) is a dedicated firewall that monitors, filters, and blocks HTTP traffic to and from web applications. It inspects the traffic and protects the network from the attacks of web application vulnerabilities.

As a key component of Alibaba Cloud Security, Alibaba Cloud WAF applies to most common web attacks, such as SQL injections, XSS, web shell, Trojan, and so on. WAF improves the website performance through HTTP or HTTPS floods mitigation, and provides bad bot protection. It also provides customized security policies for various scenarios.

Compared with traditional hardware devices, Alibaba Cloud WAF can be deployed within 10 minutes to protect your web service. It requires no complicated hardware deployment or tedious settings, such as routers and switches.

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